package com.atguigu.java;

public class StackTest {

    public static void main(String[] args) {
        StackTest stackTest = new StackTest();
        stackTest.methodA();
    }

    public void methodA(){
        int i = 10;
        int j = 20;

        methodB();
    }

    public void methodB(){
        int k = 30;
        int p = 40;
    }
}
